Re: Formulary Gum change

Folks,

I downloaded this paper on gum from the Sudan Govt web site about 10 years
ago. It is a comprehensive look at gum from an industry point of view. The
paper is no longer there, nor the web site nor the government as there has
been about 6 since.

http://www.bostick-sullivan.com/Technical_papers/gum_arabic.htm

--Dick Sullivan

At 03:00 AM 11/7/2003, you wrote:
> Kate
>
>I just dont know. There are a number of differant types of of gum tree in
>Australia. I seem to remember a very buitiful tree that grows near dried up
>steam beds which has a pure silver sheen to the bark. I will ask my good
>Australian friend and Gumprinter John Pollard if he knows.
>
>Over the years we have had many discussions on topic's relating to gum but
>not much on the gum acacia tree itself.
>
>Pete
>
> > Ummmm.....are Australian Wattles the same type of acacia as the African
> > ones???? They're a pest here!
> > Just curious
> >
> > Kate
> >
> > ----- Original Message -----
> > From: "pete" <temperaprint@blueyonder.co.uk>
> > To: <alt-photo-process-l@sask.usask.ca>
> > Sent: Thursday, November 06, 2003 11:44 PM
> > Subject: Re: Formulary Gum change
> >
> >
> >> Katharine,
> >>
> >> There are billions of gum acacia trees in Australia so I dont think we
> > have
> >> to worry just yet. And then there is of course also eggs, but that is
> >> another story.
> >>
> >> Best wishes
> >> Pete
> >>
> >>> kateb@paradise.net.nz wrote:
> >>>>
> >>>> This may sound silly but there may be a world shortage of gum acacia
> > which I
> >>>> think is the most suitable one for our purposes - Elephants have
> > decimated
> >>>> this
> >>>> species. There are several different types of gum that originate from
> >>>> different
> >>>> species of trees, also the way the gum is refined differs from place to
> >>>> place.
> >>>
> >>>
> >>> I read something years ago, I don't remember where, that said that the
> >>> lithographer's gum isn't gum acacia but is some other kind of sap, which
> >>> would certainly explain its having different properties. The thought of
> >>> gum acacia disappearing from the planet is not a happy thought!
> >>> kt
> >>
> >>
> >>
> >
> >
Received on Fri Nov 7 09:42:15 2003